Lollapalooza: Summer music festivals

Published On: May 10 2011 02:23:18 PM PDT   Updated On: Aug 01 2013 11:00:52 PM PDT

Lollapalooza starts today in Chicago, Illinois. From the mountains of Colorado to the forests of Milwaukee, this summer will be jam-packed with some of the best music festivals ever. Find out more about these events that spotlight everything from alternative rock to jazz -- and have spawned their own festival cultures.